void main() {
  var a = 1;
  var b = 2.5;
  num c = 2;
  num d = 3.5;
  int e = 3;
  double f = 4.5;
  const g = 5;
  const h = 6.5;
  print(a);
  print(b);
  print(c);
  print(d);
  print(e);
  print(f);
  print(g);
  print(h);
}
